78679336

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{439}}^1\times {\mathrm{521}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 151588800

約数和(自身を除く): 72909464

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 439, 521, 878, 1042, 1756, 2084, 3512, 4168, 18877, 22403, 37754, 44806, 75508, 89612, 151016, 179224, 228719, 457438, 914876, 1829752, 9834917, 19669834, 39339668, 78679336]

約数ペア:

[(1, 78679336), (2, 39339668), (4, 19669834), (8, 9834917), (43, 1829752), (86, 914876), (172, 457438), (344, 228719), (439, 179224), (521, 151016), (878, 89612), (1042, 75508), (1756, 44806), (2084, 37754), (3512, 22403), (4168, 18877)]